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Table 2 Operative parameters in 3D and 2D groups

From: Case-matched study of short-term effects of 3D vs 2D laparoscopic radical resection of rectal cancer

Parameters 3D group (n = 23) 2D group (n = 23) t/χ 2 P
Operation duration(min) 172.2 ± 27.5 192.6 ± 22.3 2.079 0.008
Operation hemorrhage(min) 247.0 ± 173.6 282.6 ± 195.6 0.204 0.654
Duration of retention catheterization(day) 5.6 ± 1.9 6.3 ± 2.0 0.017 0.897
Lymph node detection 17.3 ± 5.2 17.1 ± 5.3 0.264 0.610
Flatus time(day) 2.8 ± 0.8 3.1 ± 1.0 1.45 0.235
Duration of hospitalization(day) 11.5 ± 4.7 11.3 ± 3.65 1.93 0.633
  1. 2D two-dimensional, 3D three-dimensional